APA (7th ed.) Citation

Petrus Cellensis. (2001). The letters of Peter of Celle (1. publ.). Clarendon Press.

Chicago Style (17th ed.) Citation

Petrus Cellensis. The Letters of Peter of Celle. 1. publ. Oxford [u.a.]: Clarendon Press, 2001.

MLA (9th ed.) Citation

Petrus Cellensis. The Letters of Peter of Celle. 1. publ. Clarendon Press, 2001.